单项选择题

Argonne believes that people should regard maglev transportation as ______.

A．safe, efficient high-speed trains
B．the most exciting form of transportation for the future
C．a kind of aircraft
D．the most economical form of transportation

<上一题目录下一题>

热门试题

单项选择题

Which countries have probably spent the most money on maglev research

A．France and West Germany.
B．Japan and West Germany.
C．the United States and Japan.
D．West Germany and the United States.

单项选择题

Why could maglev trains replace short-fight commuter aircraft

A．Maglev trains are faster.
B．Maglev trains are cheaper.
C．Maglev trains are more fuel-efficient.
D．Maglev trains are safer.